AMD Radeon RX 7900 GRE vs AMD Radeon RX Vega 64 Limited

AMD Radeon RX 7900 GRE $549
AMD Radeon RX Vega 64 Limited $499
5120 Shaders
16GB GDDR6
2245MHz
4096 Shaders
8GB HBM2
1546MHz
FP32
45.98 TFLOPS
FP32
12.66 TFLOPS
FP16
91.96 TFLOPS
FP16
25.33 TFLOPS
Form Factor
PCIe Card
2.5-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
260W
TDP
295W
Power Connectors
-
2x 8-Pin
-
-
Power Connectors
-
2x 8-Pin
-
-
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 5
Family
Radeon RX 7000
Family
Radeon RX Vega
Codename
Plum Bonito
Navi 31
Variant
Navi 31 XL
Codename
Greenland
Vega 10
Variant
Vega 10 XT
Market Segment
Desktop
Market Segment
Desktop
Release Date
7/27/2023
Release Date
8/7/2017
Foundry
TSMC
TSMC Memory Cache Die
Foundry
GlobalFoundries
-
Fabrication Node
N5
N6 Memory Cache Die
Fabrication Node
14LPP
-
Die Size
304 mm²
4x 38 mm² Memory Cache Die
Die Size
486 mm²
-
Transistor Count
45.4 Billion
4x 2.1 Billion Memory Cache Die
Transistor Count
12.5 Billion
-
Transistor Density
149.17M/mm²
54.64M/mm² Memory Cache Die
Transistor Density
25.72M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
5120 Shaders
-
Shading Units
4096 Shaders
-
Texture Mapping Units
320 TMUs
Texture Mapping Units
256 TMUs
Render Output Units
160 ROPs
Render Output Units
64 ROPs
Tensor Cores
160 T-Cores
-
-
Ray-Tracing Cores
80 RT-Cores
-
-
-
-
-
-
Compute Units
80 CUs
Compute Units
64 CUs
-
-
-
-
-
-
-
-
-
-
1880MHz Base
2245MHz
-
-
1247MHz Base
1546MHz
-
-
-
-
-
-
-
-
-
-
FP16
91.96 TFLOPS
-
FP16
25.33 TFLOPS
-
-
-
-
-
-
-
FP32
45.98 TFLOPS
FP32
12.66 TFLOPS
-
-
-
-
FP64
1.44 TFLOPS
-
FP64
0.79 TFLOPS
-
-
-
-
-
-
-
-
-
Pixel Fillrate
359.2 GPixel/s
Pixel Fillrate
98.944 GPixel/s
-
-
-
-
Texture Fillrate
718.4 GTexel/s
Texture Fillrate
395.776 GTexel/s
L0
64KB/WGP
-
-
L1
-
-
-
256KB/Array
L1
-
-
16KB/CU
-
L2
6MB Shared
L2
4MB Shared
L3
64MB Shared
2.25TB/s
-
-
-
16GB
GDDR6
-
8GB
HBM2
-
Bus Width
256Bit
Bus Width
2048Bit
Clock
2250MHz
Transfer Rate
18GT/s
Bandwidth
576GB/s
Clock
945MHz
Transfer Rate
1.9GT/s
Bandwidth
483.8GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
260W
TDP
295W
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2x DisplayPort 2.1
-
-
-
-
-
-
-
-
-
1x HDMI 2.1
1x USB-C + DP
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.0
-
-
-
Max Resolution
15360x8640
Max Resolution
7680x4320
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 2.2
Model
VCN 4.0
Model
VCE 4.0
Codec
-
-
-
-
-
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Model
VCN 4.0
Model
UVD 7.0
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
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Direct X
12
Direct 3D
12_2
Direct X
12
Direct 3D
12_1
OpenGL
4.6
OpenCL
2.2
Vulkan
1.3
OpenGL
4.6
OpenCL
2.1
Vulkan
1.3
Shader Model
6.7
-
-
GFX
11
-
-
-
-
Shader Model
6.7
-
-
GFX
9
-
-
-
-
-
-
-
3x Fans
-
-
-
1x Fan
Power Connectors
-
-
-
2x 8-Pin
-
-
-
Power Connectors
-
-
-
2x 8-Pin
-
-
-
Slots Required
2.5
PCIe Version
4.0
PCIe Lanes
16
Slots Required
2.0
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)
Height
111 mm (4.37 in)
Width
272 mm (10.71 in)
Depth
40 mm (1.57 in)
Change Comparison