AMD Radeon VII vs AMD Radeon HD 7970
GPU · Specs Compare
Graphics Card
Release Date
Feb 2019
Jan 2012
Generation
Vega II
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1400 MHz
—
Boost Clock
1750 MHz
—
Memory Clock
1000 MHz
1375 MHz
Memory
Memory Size
16GB
3GB
Memory Type
HBM2
GDDR5
Memory Bus
4096bit
384bit
Bandwidth
1020GB/s
264.0GB/s
Render Config
Compute Units
60
32
Shading Units
3840
2048
TMUs
240
128
ROPs
64
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
4 MB
768 KB
Theoretical Performance
Pixel Rate
112.0 GPixel/s
29.60 GPixel/s
Texture Rate
420.0 GTexel/s
118.4 GTexel/s
FP16 (half)
26.88 TFLOPS
—
FP32 (float)
13.44 TFLOPS
3.789 TFLOPS
FP64 (double)
3.360 TFLOPS
947.2 GFLOPS
Graphics Processor
GPU Name
Vega 20
Tahiti
GPU Variant
Vega 20 XT
Tahiti XT(215-0821060)
Architecture
GCN 5.1
GCN 1.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
13.23 billion
4.313 billion
Die Size
331 mm²
352 mm²
Board Design
TDP
295W
250W
Suggested PSU
600 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
1.3
1.2.170
Shader Model
6.7
6.5 (5.1)
Benchmark
3DMark Time Spy
8,923
2,310
3DMark Time Spy Extreme
4,374
1,209
Blender
772
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.