Home GPU Comparison AMD Radeon HD 6870 vs NVIDIA GeForce RTX 4080 SUPER

AMD Radeon HD 6870 vs NVIDIA GeForce RTX 4080 SUPER

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 and 16GB VRAM GeForce RTX 4080 SUPER to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 's Advantages
Lower TDP (151W vs 320W)
NVIDIA GeForce RTX 4080 SUPER 's Advantages
Released 13 years and 3 months late
Boost Clock2550MHz
More VRAM (16GB vs 1024GB)
Larger VRAM bandwidth (736.3GB/s vs 134.4GB/s)
9120 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 6870
2.016 TFLOPS
GeForce RTX 4080 SUPER +2490%
52.22 TFLOPS
VS

Graphics Card

Oct 2010
Release Date
Jan 2024
Northern Islands
Generation
GeForce 40
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

-
Base Clock
2295 MHz
-
Boost Clock
2550 MHz
1050 MHz
Memory Clock
1438 MHz

Memory

1024MB
Memory Size
16GB
GDDR5
Memory Type
GDDR6X
256bit
Memory Bus
256bit
134.4GB/s
Bandwidth
736.3GB/s

Render Config

14
Compute Units
-
-
SM Count
80
1120
Shading Units
10240
56
TMUs
320
32
ROPs
112
-
Tensor Cores
320
-
RT Cores
80
8 KB (per CU)
L1 Cache
128 KB (per SM)
512 KB
L2 Cache
64 MB
-
-
-

Theoretical Performance

28.80 GPixel/s
Pixel Rate
285.6 GPixel/s
50.40 GTexel/s
Texture Rate
816.0 GTexel/s
-
FP16 (half)
52.22 TFLOPS
2.016 TFLOPS
FP32 (float)
52.22 TFLOPS
-
FP64 (double)
816.0 GFLOPS

Board Design

151W
TDP
320W
450 W
Suggested PSU
700 W
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
Outputs
1x HDMI 2.1 3x DisplayPort 1.4a
2x 6-pin
Power Connectors
1x 16-pin

Graphics Processor

Barts
GPU Name
AD103
Barts XT (215-0798000)
GPU Variant
AD103-400-A1
TeraScale 2
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
40 nm
Process Size
5 nm
1.7 billion
Transistors
45.9 billion
255 mm²
Die Size
379 mm²

Graphics Features

11.2 (11_0)
DirectX
12 Ultimate (12_2)
4.4
OpenGL
4.6
1.2
OpenCL
3.0
N/A
Vulkan
1.3
-
CUDA
8.9
5.0
Shader Model
6.7

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