AMD Radeon HD 6990 vs NVIDIA GeForce RTX 5090 SE
GPU · Specs Compare
Graphics Card
Release Date
Mar 2011
Jan 2026
Generation
Northern Islands
GeForce 50
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 5.0 x16
Clock Speeds
Memory Clock
1250 MHz
1750 MHz
Base Clock
—
1740 MHz
Boost Clock
—
2377 MHz
Memory
Memory Size
2GB
24GB
Memory Type
GDDR5
GDDR7
Memory Bus
256bit
384bit
Bandwidth
160.0GB/s
1.34TB/s
Render Config
Compute Units
24
—
Shading Units
1536
14080
TMUs
96
440
ROPs
32
160
L1 Cache
8 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
96 MB
SM Count
—
110
Tensor Cores
—
440
RT Cores
—
110
Theoretical Performance
Pixel Rate
26.56 GPixel/s
380.3 GPixel/s
Texture Rate
79.68 GTexel/s
1045.9 GTexel/s
FP32 (float)
2.550 TFLOPS
66.94 TFLOPS
FP64 (double)
637.4 GFLOPS
1045.9 GFLOPS
FP16 (half)
—
66.94 TFLOPS
Graphics Processor
GPU Name
Antilles
GB202
GPU Variant
Antilles XT(215-0807027)
—
Architecture
TeraScale 3
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
40 nm
5 nm
Transistors
2.64 billion
92.2 billion
Die Size
389 mm²
750 mm²
Board Design
TDP
375W
500W
Suggested PSU
750 W
900 W
Outputs
1x DVI4x mini-DisplayPort 1.2
1x HDMI 2.1b3x DisplayPort 2.1b
Power Connectors
2x 8-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
6.9
CUDA
—
12.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.