NVIDIA GeForce RTX 6090 vs AMD Radeon HD 6850
GPU Specs Compare
Graphics Card
Release Date
Jan 2027
Oct 2010
Generation
GeForce 60
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
2300 MHz
-
Boost Clock
2700 MHz
-
Memory Clock
1750 MHz
1000 MHz
Memory
Memory Size
32GB
1024MB
Memory Type
GDDR7
GDDR5
Memory Bus
512bit
256bit
Bandwidth
1.79TB/s
128.0GB/s
Render Config
SM Count
192
-
Shading Units
24576
960
TMUs
768
48
ROPs
192
32
Tensor Cores
768
-
RT Cores
192
-
L1 Cache
128 KB (per SM)
8 KB (per CU)
L2 Cache
96 MB
512 KB
Compute Units
-
12
Theoretical Performance
Pixel Rate
518.4 GPixel/s
24.80 GPixel/s
Texture Rate
2073.6 GTexel/s
37.20 GTexel/s
FP16 (half)
132.7 TFLOPS
-
FP32 (float)
132.7 TFLOPS
1488 GFLOPS
FP64 (double)
2.074 TFLOPS
-
Graphics Processor
GPU Name
GR202
Barts
GPU Variant
GR202-300-A1
Barts PRO(215-0798006)
Architecture
Rubin
TeraScale 2
Foundry
TSMC
TSMC
Process Size
3 nm
40 nm
Transistors
Unknown
1.7 billion
Die Size
Unknown
255 mm²
Board Design
TDP
525W
127W
Suggested PSU
900 W
300 W
Outputs
1x HDMI 2.1b3x DisplayPort 2.1b
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors
1x 16-pin
1x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
3.0
1.2
Vulkan
1.4
N/A
CUDA
12.0
-
Shader Model
6.9
5.0