AMD Radeon RX Vega 64 Limited Edition vs AMD Radeon HD 7950 Boost
GPU · Specs Compare
Graphics Card
Release Date
Aug 2017
Jun 2012
Generation
Vega
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1247 MHz
850 MHz
Boost Clock
1546 MHz
925 MHz
Memory Clock
945 MHz
1250 MHz
Memory
Memory Size
8GB
3GB
Memory Type
HBM2
GDDR5
Memory Bus
2048bit
384bit
Bandwidth
483.8GB/s
240.0GB/s
Render Config
Compute Units
64
28
Shading Units
4096
1792
TMUs
256
112
ROPs
64
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
4 MB
768 KB
Theoretical Performance
Pixel Rate
98.94 GPixel/s
29.60 GPixel/s
Texture Rate
395.8 GTexel/s
103.6 GTexel/s
FP16 (half)
25.33 TFLOPS
—
FP32 (float)
12.66 TFLOPS
3.315 TFLOPS
FP64 (double)
791.6 GFLOPS
828.8 GFLOPS
Graphics Processor
GPU Name
Vega 10
Tahiti
GPU Variant
Vega 10 XT(215-0894200)
Tahiti PRO2(215-0821282)
Architecture
GCN 5.0
GCN 1.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
12.5 billion
4.313 billion
Die Size
495 mm²
352 mm²
Board Design
TDP
295W
200W
Suggested PSU
600 W
550 W
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
2x 8-pin
2x 6-pin
Graphics Features
DirectX
12 (12_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.2
1.2
Shader Model
6.4
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.