NVIDIA GeForce RTX 6080 vs AMD Radeon HD 6990
GPU Specs Compare
Graphics Card
Release Date
Jan 2027
Mar 2011
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
2800 MHz
-
Memory Clock
1875 MHz
1250 MHz
Memory
Memory Size
20GB
2GB
Memory Type
GDDR7
GDDR5
Memory Bus
320bit
256bit
Bandwidth
1.20TB/s
160.0GB/s
Render Config
SM Count
84
-
Shading Units
10752
1536
TMUs
336
96
ROPs
112
32
Tensor Cores
336
-
RT Cores
84
-
L1 Cache
128 KB (per SM)
8 KB (per CU)
L2 Cache
64 MB
512 KB
Compute Units
-
24
Theoretical Performance
Pixel Rate
313.6 GPixel/s
26.56 GPixel/s
Texture Rate
940.8 GTexel/s
79.68 GTexel/s
FP16 (half)
60.21 TFLOPS
-
FP32 (float)
60.21 TFLOPS
2.550 TFLOPS
FP64 (double)
940.8 GFLOPS
637.4 GFLOPS
Graphics Processor
GPU Name
GR203
Antilles
GPU Variant
GR203-400-A1
Antilles XT(215-0807027)
Architecture
Rubin
TeraScale 3
Foundry
TSMC
TSMC
Process Size
3 nm
40 nm
Transistors
Unknown
2.64 billion
Die Size
Unknown
389 mm²
Board Design
TDP
350W
375W
Suggested PSU
750 W
750 W
Outputs
1x HDMI 2.1b3x DisplayPort 2.1b
1x DVI4x mini-DisplayPort 1.2
Power Connectors
1x 16-pin
2x 8-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