AMD Radeon HD 7970 vs AMD Steam Machine GPU
GPU · Specs Compare
Graphics Card
Release Date
Jan 2012
Jan 2026
Generation
Southern Islands
Console GPU
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
—
Clock Speeds
Memory Clock
1375 MHz
2250 MHz
Base Clock
—
1720 MHz
Boost Clock
—
2450 MHz
Memory
Memory Size
3GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
128bit
Bandwidth
264.0GB/s
288.0GB/s
Render Config
Compute Units
32
28
Shading Units
2048
1792
TMUs
128
112
ROPs
32
64
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
768 KB
2 MB
RT Cores
—
28
L3 Cache
—
32 MB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
156.8 GPixel/s
Texture Rate
118.4 GTexel/s
274.4 GTexel/s
FP32 (float)
3.789 TFLOPS
17.56 TFLOPS
FP64 (double)
947.2 GFLOPS
548.8 GFLOPS
FP16 (half)
—
35.12 TFLOPS
Graphics Processor
GPU Name
Tahiti
Navi 33
GPU Variant
Tahiti XT(215-0821060)
—
Architecture
GCN 1.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
6 nm
Transistors
4.313 billion
13.3 billion
Die Size
352 mm²
204 mm²
Board Design
TDP
250W
110W
Suggested PSU
600 W
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1 (1.2)
2.2
Vulkan
1.2.170
1.4
Shader Model
6.5 (5.1)
6.8
Benchmark
3DMark Time Spy
2,310
—
3DMark Time Spy Extreme
1,209
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.