AMD Radeon RX 7900 GRE vs AMD Radeon RX 455

AMD Radeon RX 7900 GRE $549
AMD Radeon RX 455
5120 Shaders
16GB GDDR6
2245MHz
768 Shaders
2GB GDDR5
1050MHz
FP32
45.98 TFLOPS
FP32
1.61 TFLOPS
FP16
91.96 TFLOPS
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Form Factor
PCIe Card
2.5-Slots
Form Factor
PCIe Card
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TDP
260W
TDP
100W
Power Connectors
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2x 8-Pin
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Power Connectors
1x 6-Pin
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GB5 OpenCL - N/A
0%
GB5 OpenCL - N/A
0%
GB5 CUDA - N/A
0%
GB5 CUDA - N/A
0%
GB5 Metal - N/A
0%
GB5 Metal - N/A
0%
GB5 Vulkan - N/A
0%
GB5 Vulkan - N/A
0%
OCT 2020.1 - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal - N/A
0%
OCT Metal - N/A
0%
Manufacturer
AMD
Manufacturer
AMD
Chip Designer
AMD
Chip Designer
AMD
Architecture
RDNA 3
Architecture
GCN 2
Family
Radeon RX 7000
Family
Radeon R 400
Codename
Plum Bonito
Navi 31
Variant
Navi 31 XL
Codename
Bonaire
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Variant
Tobago Pro
Market Segment
Desktop
Market Segment
Desktop
Release Date
7/27/2023
Release Date
6/30/2016
Foundry
TSMC
TSMC Memory Cache Die
Foundry
TSMC
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Fabrication Node
N5
N6 Memory Cache Die
Fabrication Node
28nm
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Die Size
304 mm²
4x 38 mm² Memory Cache Die
Die Size
160 mm²
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Transistor Count
45.4 Billion
4x 2.1 Billion Memory Cache Die
Transistor Count
2.1 Billion
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Transistor Density
149.17M/mm²
54.64M/mm² Memory Cache Die
Transistor Density
13.00M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
5120 Shaders
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Shading Units
768 Shaders
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Texture Mapping Units
320 TMUs
Texture Mapping Units
48 TMUs
Render Output Units
160 ROPs
Render Output Units
16 ROPs
Tensor Cores
160 T-Cores
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Ray-Tracing Cores
80 RT-Cores
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Compute Units
80 CUs
Compute Units
12 CUs
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1880MHz Base
2245MHz
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1050MHz
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FP16
91.96 TFLOPS
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FP32
45.98 TFLOPS
FP32
1.61 TFLOPS
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FP64
1.44 TFLOPS
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FP64
0.1 TFLOPS
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Pixel Fillrate
359.2 GPixel/s
Pixel Fillrate
16.8 GPixel/s
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Texture Fillrate
718.4 GTexel/s
Texture Fillrate
50.4 GTexel/s
L0
64KB/WGP
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L1
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256KB/Array
L1
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16KB/CU
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L2
6MB Shared
L2
256KB Shared
L3
64MB Shared
2.25TB/s
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16GB
GDDR6
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2GB
GDDR5
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Bus Width
256Bit
Bus Width
128Bit
Clock
2250MHz
Transfer Rate
18GT/s
Bandwidth
576GB/s
Clock
1625MHz
Transfer Rate
6.5GT/s
Bandwidth
104GB/s
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TDP
260W
TDP
100W
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2x DisplayPort 2.1
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1x HDMI 2.1
1x USB-C + DP
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1x DVI-D Dual-Link
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1x DisplayPort 1.2
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1x HDMI 1.4
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Max Resolution
15360x8640
Max Resolution
4096x2160
Max Resolution Refresh Rate
165Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
-
FreeSync
-
Variable Refresh Rate
-
FreeSync
-
Display Stream Compression (DSC)
Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
3
Multi Monitor Support
3
Content Protection
HDCP 2.3
Content Protection
HDCP 1.4
Model
VCN 4.0
Model
VCE 2.0
Codec
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VP9
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AVC (H.264)
HEVC (H.265)
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AV1
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Codec
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AVC (H.264)
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Model
VCN 4.0
Model
UVD 4.2
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
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VP9
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AVC (H.264)
HEVC (H.265)
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AV1
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Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
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AVC (H.264)
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Direct X
12
Direct 3D
12_2
Direct X
12
Direct 3D
12_0
OpenGL
4.6
OpenCL
2.2
Vulkan
1.3
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
6.7
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GFX
11
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Shader Model
6.5
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GFX
7
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3x Fans
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1x Fan
Power Connectors
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2x 8-Pin
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Power Connectors
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1x 6-Pin
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Slots Required
2.5
PCIe Version
4.0
PCIe Lanes
16
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PCIe Version
3.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
CrossFire XDMA
Multi GPU Support
Supported
Type
CrossFire XDMA
Height
110 mm (4.33 in)
Width
276 mm (10.87 in)
Depth
51 mm (2.01 in)
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Change Comparison