AMD Radeon RX 7900M vs AMD Radeon HD 7970
GPU · Specs Compare
Graphics Card
Release Date
Oct 2023
Jan 2012
Generation
Navi Mobile
Southern Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1825 MHz
—
Boost Clock
2090 MHz
—
Memory Clock
2250 MHz
1375 MHz
Memory
Memory Size
16GB
3GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
384bit
Bandwidth
576.0GB/s
264.0GB/s
Render Config
Compute Units
72
32
Shading Units
4608
2048
TMUs
288
128
ROPs
192
32
RT Cores
72
—
L1 Cache
256 KB per Array
16 KB (per CU)
L2 Cache
6 MB
768 KB
L3 Cache
64 MB
—
Theoretical Performance
Pixel Rate
401.3 GPixel/s
29.60 GPixel/s
Texture Rate
601.9 GTexel/s
118.4 GTexel/s
FP16 (half)
77.05 TFLOPS
—
FP32 (float)
38.52 TFLOPS
3.789 TFLOPS
FP64 (double)
1204 GFLOPS
947.2 GFLOPS
Graphics Processor
GPU Name
Navi 31
Tahiti
GPU Variant
Navi 31
Tahiti XT(215-0821060)
Architecture
RDNA 3.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
57.7 billion
4.313 billion
Die Size
529 mm²
352 mm²
Board Design
TDP
180W
250W
Outputs
Portable Device Dependent
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
1x 6-pin + 1x 8-pin
Suggested PSU
—
600 W
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
18,218
2,310
3DMark Time Spy Extreme
8,440
1,209
3DMark Speed Way
3,943
—
Blender
2,583
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.