AMD Radeon HD 6990M vs NVIDIA GeForce RTX 4080

GPU Specs Compare

Graphics Card

Release Date
Jul 2011
Sep 2022
Generation
Vancouver
GeForce 40
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 4.0 x16

Clock Speeds

Memory Clock
900 MHz
1400 MHz
Base Clock
-
2205 MHz
Boost Clock
-
2505 MHz

Memory

Memory Size
2GB
16GB
Memory Type
GDDR5
GDDR6X
Memory Bus
256bit
256bit
Bandwidth
115.2GB/s
716.8GB/s

Render Config

Compute Units
14
-
Shading Units
1120
9728
TMUs
56
304
ROPs
32
112
L1 Cache
8 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
64 MB
SM Count
-
76
Tensor Cores
-
304
RT Cores
-
76

Theoretical Performance

Pixel Rate
22.88 GPixel/s
280.6 GPixel/s
Texture Rate
40.04 GTexel/s
761.5 GTexel/s
FP32 (float)
1.602 TFLOPS
48.74 TFLOPS
FP16 (half)
-
48.74 TFLOPS
FP64 (double)
-
761.5 GFLOPS

Graphics Processor

GPU Name
Blackcomb
AD103
GPU Variant
Blackcomb XTX(216-0811030)
AD103-300-A1
Architecture
TeraScale 2
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
40 nm
5 nm
Transistors
1.7 billion
45.9 billion
Die Size
212 mm²
379 mm²

Board Design

TDP
100W
320W
Outputs
No outputs
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
None
1x 16-pin
Suggested PSU
-
700 W

Graphics Features

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

📊 Benchmark

3DMark Time Spy
-
28,173
3DMark Time Spy Extreme
-
14,002