AMD Ryzen Z1 GPU vs AMD Radeon HD 7950 Mac Edition
GPU · Specs Compare
Graphics Card
Release Date
Sep 2023
Mar 2013
Generation
Console GPU
Southern Islands
Type
Game console
Desktop
Bus Interface
—
PCIe 3.0 x16
Clock Speeds
Base Clock
1500 MHz
—
Boost Clock
2500 MHz
—
Memory Clock
800 MHz
1250 MHz
Memory
Memory Size
16GB
3GB
Memory Type
LPDDR5
GDDR5
Memory Bus
64bit
384bit
Bandwidth
25.60GB/s
240.0GB/s
Render Config
Compute Units
4
28
Shading Units
256
1792
TMUs
16
112
ROPs
8
32
RT Cores
4
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
6 MB
768 KB
L3 Cache
16 MB
—
Theoretical Performance
Pixel Rate
20.00 GPixel/s
25.60 GPixel/s
Texture Rate
40.00 GTexel/s
89.60 GTexel/s
FP16 (half)
5.120 TFLOPS
—
FP32 (float)
2.560 TFLOPS
2.867 TFLOPS
FP64 (double)
160.0 GFLOPS
716.8 GFLOPS
Graphics Processor
GPU Name
Phoenix
Tahiti
GPU Variant
100-000001280
Tahiti PRO(215-0821056)
Architecture
RDNA 3.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
4 nm
28 nm
Transistors
25.39 billion
4.313 billion
Die Size
178 mm²
352 mm²
Board Design
TDP
30W
200W
Outputs
No outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
2x 6-pin
Suggested PSU
—
550 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.3
1.2
Shader Model
6.8
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.