AMD Radeon PRO W7400 vs AMD Radeon HD 7970
GPU · Specs Compare
Graphics Card
Release Date
Unknown
Jan 2012
Generation
Radeon Pro Navi
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
—
Boost Clock
1100 MHz
—
Memory Clock
1350 MHz
1375 MHz
Memory
Memory Size
8GB
3GB
Memory Type
GDDR6
GDDR5
Memory Bus
128bit
384bit
Bandwidth
172.8GB/s
264.0GB/s
Render Config
Compute Units
28
32
Shading Units
1792
2048
TMUs
112
128
ROPs
64
32
RT Cores
28
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
768 KB
L3 Cache
32 MB
—
Theoretical Performance
Pixel Rate
70.40 GPixel/s
29.60 GPixel/s
Texture Rate
123.2 GTexel/s
118.4 GTexel/s
FP16 (half)
15.77 TFLOPS
—
FP32 (float)
7.885 TFLOPS
3.789 TFLOPS
FP64 (double)
246.4 GFLOPS
947.2 GFLOPS
Graphics Processor
GPU Name
Navi 33
Tahiti
GPU Variant
Navi 33
Tahiti XT(215-0821060)
Architecture
RDNA 3.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
6 nm
28 nm
Transistors
13.3 billion
4.313 billion
Die Size
204 mm²
352 mm²
Board Design
TDP
55W
250W
Suggested PSU
250 W
600 W
Outputs
4x DisplayPort 2.1
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.2
2.1 (1.2)
Vulkan
1.3
1.2.170
Shader Model
6.8
6.5 (5.1)
Benchmark
3DMark Time Spy
—
2,310
3DMark Time Spy Extreme
—
1,209
▲ Specs Compare
Data sourced from official specifications and benchmark tests.