AMD Radeon RX 7800 XT vs AMD Radeon RX 7900 GRE
AMD Radeon RX 7800 XT
$499
AMD Radeon RX 7900 GRE
$549
|
3840 Shaders
16GB GDDR6
2430MHz
|
5120 Shaders
16GB GDDR6
2245MHz
|
|
Peak AI Performance
149.3 TOPS
INT4 Tensor
|
Peak AI Performance
183.91 TOPS
INT4 Tensor
|
|
FP32
37.32 TFLOPS
|
FP32
45.98 TFLOPS
|
|
FP16
74.65 TFLOPS
|
FP16
91.96 TFLOPS
|
|
Form Factor
PCIe Card
2.5-Slots
|
Form Factor
PCIe Card
2.5-Slots
|
|
TDP
263W
|
TDP
260W
|
|
Power Connectors
2x 8-Pin
|
Power Connectors
2x 8-Pin
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Peak AI Performance
|
|
Radeon RX 7800 XT - 149.3 TOPS INT4 Tensor
x1
Radeon RX 7900 GRE - 183.91 TOPS INT4 Tensor
x1.23
FP32
|
|
Radeon RX 7800 XT - 37.32 TFLOPS FP32
x1
Radeon RX 7900 GRE - 45.98 TFLOPS FP32
x1.23
FP16
|
|
Radeon RX 7800 XT - 74.65 TFLOPS FP16
x1
Radeon RX 7900 GRE - 91.96 TFLOPS FP16
x1.23
|
|
Radeon RX 7800 XT - 620.8GB/s
x1.08
Radeon RX 7900 GRE - 576GB/s
x1
|
|
Radeon RX 7800 XT - 263W
x1.01
Radeon RX 7900 GRE - 260W
x1
|
GB6 OpenCL N/A
0%
|
|
|
0%
|
0%
|
|
GB6 Vulkan N/A
0%
|
|
0%
|
0%
|
|
0%
|
0%
|
|
0%
|
0%
|
|
0%
|
0%
|
|
0%
|
0%
|
|
0%
|
0%
|
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Manufacturer
AMD
|
Manufacturer
AMD
|
|
Chip Designer
AMD
|
Chip Designer
AMD
|
|
Architecture
RDNA 3
|
Architecture
RDNA 3
|
|
Family
Radeon RX 7000
|
Family
Radeon RX 7000
|
|
Codename
Wheat Nas
Navi 32
Variant
Navi 32
|
Codename
Plum Bonito
Navi 31
Variant
Navi 31 XL
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
8/25/2023
|
Release Date
7/27/2023
|
|
Foundry
TSMC
TSMC Memory Cache Die
|
Foundry
TSMC
TSMC Memory Cache Die
|
|
Fabrication Node
N5
N6 Memory Cache Die
|
Fabrication Node
N5
N6 Memory Cache Die
|
|
Die Size
200 mm²
4x 38 mm² Memory Cache Die
|
Die Size
304 mm²
4x 38 mm² Memory Cache Die
|
|
Transistor Count
28.1 Billion
4x 2.1 Billion Memory Cache Die
|
Transistor Count
45.4 Billion
4x 2.1 Billion Memory Cache Die
|
|
Transistor Density
140.50M/mm²
54.64M/mm² Memory Cache Die
|
Transistor Density
149.17M/mm²
54.64M/mm² Memory Cache Die
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
3840 Shaders
|
Shading Units
5120 Shaders
|
|
Texture Mapping Units
240 TMUs
|
Texture Mapping Units
320 TMUs
|
|
Render Output Units
96 ROPs
|
Render Output Units
160 ROPs
|
|
Tensor Cores
120 T-Cores
|
Tensor Cores
160 T-Cores
|
|
Ray-Tracing Cores
60 RT-Cores
|
Ray-Tracing Cores
80 RT-Cores
|
|
Compute Units
60 CUs
|
Compute Units
80 CUs
|
|
1800MHz Base
2430MHz
|
1880MHz Base
2245MHz
|
|
Peak AI Performance
149.3 TOPS
INT4 Tensor
|
Peak AI Performance
183.91 TOPS
INT4 Tensor
|
|
FP16
74.65 TFLOPS
37.32 TFLOPS Tensor (FP16 Accumulate)
37.32 TFLOPS Tensor (FP32 Accumulate)
|
FP16
91.96 TFLOPS
45.98 TFLOPS Tensor (FP16 Accumulate)
45.98 TFLOPS Tensor (FP32 Accumulate)
|
|
FP32
37.32 TFLOPS
|
FP32
45.98 TFLOPS
|
|
FP64
1.17 TFLOPS
|
FP64
1.44 TFLOPS
|
|
BF16
74.65 TFLOPS
37.32 TFLOPS Tensor
|
BF16
91.96 TFLOPS
45.98 TFLOPS Tensor
|
|
INT4
149.3 TOPS Tensor
|
INT4
183.91 TOPS Tensor
|
|
INT8
37.32 TOPS Tensor
|
INT8
45.98 TOPS Tensor
|
|
INT32
18.66 TOPS
|
INT32
22.99 TOPS
|
|
Pixel Fillrate
233.28 GPixel/s
|
Pixel Fillrate
359.2 GPixel/s
|
|
Texture Fillrate
583.2 GTexel/s
|
Texture Fillrate
718.4 GTexel/s
|
|
L0
64KB/WGP
|
L0
64KB/WGP
|
|
L1
256KB/Array
|
L1
256KB/Array
|
|
L2
4MB Shared
|
L2
6MB Shared
|
|
L3
64MB Shared
2.25TB/s
|
L3
64MB Shared
2.25TB/s
|
|
16GB
GDDR6
|
16GB
GDDR6
|
|
Bus Width
256Bit
|
Bus Width
256Bit
|
|
Clock
2425MHz
Transfer Rate
19.4GT/s
Bandwidth
620.8GB/s
|
Clock
2250MHz
Transfer Rate
18GT/s
Bandwidth
576GB/s
|
|
TDP
263W
|
TDP
260W
|
|
3x DisplayPort 2.1
1x HDMI 2.1
-
|
2x DisplayPort 2.1
1x HDMI 2.1
1x USB-C + DP
|
|
Max Resolution
15360x8640
|
Max Resolution
15360x8640
|
|
Max Resolution Refresh Rate
165Hz
|
Max Resolution Refresh Rate
165Hz
|
|
Variable Refresh Rate
FreeSync
|
Variable Refresh Rate
FreeSync
|
|
Display Stream Compression (DSC)
Supported
|
Display Stream Compression (DSC)
Supported
|
|
Multi Monitor Support
3
|
Multi Monitor Support
3
|
|
Content Protection
HDCP 2.3
|
Content Protection
HDCP 2.3
|
|
Model
VCN 4.0
|
Model
VCN 4.0
|
|
Codec
VP9
AVC (H.264)
HEVC (H.265)
AV1
|
Codec
VP9
AVC (H.264)
HEVC (H.265)
AV1
|
|
Model
VCN 4.0
|
Model
VCN 4.0
|
|
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
VP9
AVC (H.264)
HEVC (H.265)
AV1
|
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
VP9
AVC (H.264)
HEVC (H.265)
AV1
|
|
Direct X
12
Direct 3D
12_2
|
Direct X
12
Direct 3D
12_2
|
|
OpenGL
4.6
OpenCL
2.2
Vulkan
1.3
|
OpenGL
4.6
OpenCL
2.2
Vulkan
1.3
|
|
Shader Model
6.7
GFX
11
|
Shader Model
6.7
GFX
11
|
|
2x Fans
|
3x Fans
|
|
Power Connectors
2x 8-Pin
|
Power Connectors
2x 8-Pin
|
|
Slots Required
2.5
PCIe Version
4.0
PCIe Lanes
16
|
Slots Required
2.5
PCIe Version
4.0
PCIe Lanes
16
|
|
Multi GPU Support
Supported
Type
CrossFire XDMA
|
Multi GPU Support
Supported
Type
CrossFire XDMA
|
|
Height
111 mm (4.37 in)
Width
267 mm (10.51 in)
Depth
50 mm (1.97 in)
|
Height
110 mm (4.33 in)
Width
276 mm (10.87 in)
Depth
51 mm (2.01 in)
|
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