AMD Radeon HD 6850 vs NVIDIA GeForce RTX 5080
GPU · Specs Compare
Graphics Card
Release Date
Oct 2010
Jan 2025
Generation
Northern Islands
GeForce 50
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 5.0 x16
Clock Speeds
Memory Clock
1000 MHz
1875 MHz
Base Clock
—
2295 MHz
Boost Clock
—
2617 MHz
Memory
Memory Size
1024MB
16GB
Memory Type
GDDR5
GDDR7
Memory Bus
256bit
256bit
Bandwidth
128.0GB/s
960.0GB/s
Render Config
Compute Units
12
—
Shading Units
960
10752
TMUs
48
336
ROPs
32
112
L1 Cache
8 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
64 MB
SM Count
—
84
Tensor Cores
—
336
RT Cores
—
84
Theoretical Performance
Pixel Rate
24.80 GPixel/s
293.1 GPixel/s
Texture Rate
37.20 GTexel/s
879.3 GTexel/s
FP32 (float)
1488 GFLOPS
56.28 TFLOPS
FP16 (half)
—
56.28 TFLOPS
FP64 (double)
—
879.3 GFLOPS
Graphics Processor
GPU Name
Barts
GB203
GPU Variant
Barts PRO(215-0798006)
GB203-400-A1
Architecture
TeraScale 2
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
40 nm
5 nm
Transistors
1.7 billion
45.6 billion
Die Size
255 mm²
378 mm²
Board Design
TDP
127W
360W
Suggested PSU
300 W
750 W
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
1x HDMI 2.1b3x DisplayPort 2.1b
Power Connectors
1x 6-pin
1x 16-pin
Graphics Features
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
OpenCL
1.2
3.0
Vulkan
N/A
1.4
Shader Model
5.0
6.8
CUDA
—
12.0
Benchmark
3DMark Time Spy
—
33,116
3DMark Time Spy Extreme
—
16,627
3DMark Speed Way
—
9,296
▲ Specs Compare
Data sourced from official specifications and benchmark tests.