AMD Radeon HD 7950 Mac Edition vs NVIDIA GeForce RTX 5090
We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Mac Edition and 32GB VRAM GeForce RTX 5090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7950 Mac Edition 's Advantages
Lower TDP (200W vs 575W)
NVIDIA GeForce RTX 5090 's Advantages
Released 11 years and 10 months late
Boost Clock2407MHz
More VRAM (32GB vs 3GB)
Larger VRAM bandwidth (1.79TB/s vs 240.0GB/s)
19968 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 7950 Mac Edition
2.867 TFLOPS
GeForce RTX 5090
+3555%
104.8 TFLOPS
Graphics Card
Mar 2013
Release Date
Jan 2025
Southern Islands
Generation
GeForce 50
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 5.0 x16
Clock Speeds
-
Base Clock
2017 MHz
-
Boost Clock
2407 MHz
1250 MHz
Memory Clock
1750 MHz
Memory
3GB
Memory Size
32GB
GDDR5
Memory Type
GDDR7
384bit
Memory Bus
512bit
240.0GB/s
Bandwidth
1.79TB/s
Render Config
28
Compute Units
-
-
SM Count
170
1792
Shading Units
21760
112
TMUs
680
32
ROPs
176
-
Tensor Cores
680
-
RT Cores
170
16 KB (per CU)
L1 Cache
128 KB (per SM)
768 KB
L2 Cache
96 MB
-
-
-
Theoretical Performance
25.60 GPixel/s
Pixel Rate
423.6 GPixel/s
89.60 GTexel/s
Texture Rate
1637 GTexel/s
-
FP16 (half)
104.8 TFLOPS
2.867 TFLOPS
FP32 (float)
104.8 TFLOPS
716.8 GFLOPS
FP64 (double)
1.637 TFLOPS
Board Design
200W
TDP
575W
550 W
Suggested PSU
950 W
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
Outputs
1x HDMI 2.1b
3x DisplayPort 2.1b
2x 6-pin
Power Connectors
1x 16-pin
Graphics Processor
Tahiti
GPU Name
GB202
Tahiti PRO
(215-0821056)
GPU Variant
GB202-300-A1
GCN 1.0
Architecture
Blackwell 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
5 nm
4.313 billion
Transistors
92.2 billion
352 mm²
Die Size
750 mm²
Graphics Features
12 (11_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.2
OpenCL
3.0
1.2
Vulkan
1.4
-
CUDA
12.0
5.1
Shader Model
6.8
