AMD Radeon RX Vega 56 vs AMD Radeon HD 7970
GPU · Specs Compare
Graphics Card
Release Date
Aug 2017
Jan 2012
Generation
Vega
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1156 MHz
—
Boost Clock
1471 MHz
—
Memory Clock
800 MHz
1375 MHz
Memory
Memory Size
8GB
3GB
Memory Type
HBM2
GDDR5
Memory Bus
2048bit
384bit
Bandwidth
409.6GB/s
264.0GB/s
Render Config
Compute Units
56
32
Shading Units
3584
2048
TMUs
224
128
ROPs
64
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
4 MB
768 KB
Theoretical Performance
Pixel Rate
94.14 GPixel/s
29.60 GPixel/s
Texture Rate
329.5 GTexel/s
118.4 GTexel/s
FP16 (half)
21.09 TFLOPS
—
FP32 (float)
10.54 TFLOPS
3.789 TFLOPS
FP64 (double)
659.0 GFLOPS
947.2 GFLOPS
Graphics Processor
GPU Name
Vega 10
Tahiti
GPU Variant
Vega 10 XL(215-0894216)
Tahiti XT(215-0821060)
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
210W
250W
Suggested PSU
550 W
600 W
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
2x 8-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (12_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
2.1 (1.2)
Vulkan
1.2
1.2.170
Shader Model
6.4
6.5 (5.1)
Benchmark
3DMark Time Spy
6,783
2,310
3DMark Time Spy Extreme
3,310
1,209
▲ Specs Compare
Data sourced from official specifications and benchmark tests.