Home GPU Comparison NVIDIA GeForce RTX 3080 vs AMD Radeon HD 7950 Boost

NVIDIA GeForce RTX 3080 vs AMD Radeon HD 7950 Boost

We compared two Desktop platform GPUs: 10GB VRAM GeForce RTX 3080 and 3GB VRAM Radeon HD 7950 Boost to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 's Advantages
Released 8 years and 3 months late
Boost Clock has increased by 85% (1710MHz vs 925MHz)
More VRAM (10GB vs 3GB)
Larger VRAM bandwidth (760.3GB/s vs 240.0GB/s)
6912 additional rendering cores
AMD Radeon HD 7950 Boost 's Advantages
Lower TDP (200W vs 320W)

Score

Benchmark

FP32 (float)
GeForce RTX 3080 +798%
29.77 TFLOPS
Radeon HD 7950 Boost
3.315 TFLOPS
VS

Graphics Card

Sep 2020
Release Date
Jun 2012
GeForce 30
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

1440 MHz
Base Clock
850 MHz
1710 MHz
Boost Clock
925 MHz
1188 MHz
Memory Clock
1250 MHz

Memory

10GB
Memory Size
3GB
GDDR6X
Memory Type
GDDR5
320bit
Memory Bus
384bit
760.3GB/s
Bandwidth
240.0GB/s

Render Config

-
Compute Units
28
68
SM Count
-
8704
Shading Units
1792
272
TMUs
112
96
ROPs
32
272
Tensor Cores
-
68
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
5 MB
L2 Cache
768 KB
-
-
-

Theoretical Performance

164.2 GPixel/s
Pixel Rate
29.60 GPixel/s
465.1 GTexel/s
Texture Rate
103.6 GTexel/s
29.77 TFLOPS
FP16 (half)
-
29.77 TFLOPS
FP32 (float)
3.315 TFLOPS
465.1 GFLOPS
FP64 (double)
828.8 GFLOPS

Board Design

320W
TDP
200W
700 W
Suggested PSU
550 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
1x 12-pin
Power Connectors
2x 6-pin

Graphics Processor

GA102
GPU Name
Tahiti
GA102-200-KD-A1
GPU Variant
Tahiti PRO2 (215-0821282)
Ampere
Architecture
GCN 1.0
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
28.3 billion
Transistors
4.313 billion
628 mm²
Die Size
352 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.3
Vulkan
1.2
8.6
CUDA
-
6.6
Shader Model
5.1

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