AMD Radeon HD 6990 vs NVIDIA GeForce RTX 4070 GDDR6
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 12GB VRAM GeForce RTX 4070 GDDR6 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 4070 GDDR6 's Advantages
Released 13 years and 5 months late
Boost Clock2475MHz
More VRAM (12GB vs 2GB)
Larger VRAM bandwidth (480.0GB/s vs 160.0GB/s)
4352 additional rendering cores
Lower TDP (200W vs 375W)
Score
Benchmark
FP32 (float)
Radeon HD 6990
2.55 TFLOPS
GeForce RTX 4070 GDDR6
+1043%
29.15 TFLOPS
Graphics Card
Mar 2011
Release Date
Aug 2024
Northern Islands
Generation
GeForce 40
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1920 MHz
-
Boost Clock
2475 MHz
1250 MHz
Memory Clock
2500 MHz
Memory
2GB
Memory Size
12GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
192bit
160.0GB/s
Bandwidth
480.0GB/s
Render Config
24
Compute Units
-
-
SM Count
46
1536
Shading Units
5888
96
TMUs
184
32
ROPs
64
-
Tensor Cores
184
-
RT Cores
46
8 KB (per CU)
L1 Cache
128 KB (per SM)
512 KB
L2 Cache
36 MB
-
-
-
Theoretical Performance
26.56 GPixel/s
Pixel Rate
158.4 GPixel/s
79.68 GTexel/s
Texture Rate
455.4 GTexel/s
-
FP16 (half)
29.15 TFLOPS
2.550 TFLOPS
FP32 (float)
29.15 TFLOPS
637.4 GFLOPS
FP64 (double)
455.4 GFLOPS
Board Design
375W
TDP
200W
750 W
Suggested PSU
550 W
1x DVI
4x mini-DisplayPort 1.2
Outputs
1x HDMI 2.1
3x DisplayPort 1.4a
2x 8-pin
Power Connectors
1x 16-pin
Graphics Processor
Antilles
GPU Name
AD104
Antilles XT
(215-0807027)
GPU Variant
AD104-2XX-A1
TeraScale 3
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
40 nm
Process Size
5 nm
2.64 billion
Transistors
35.8 billion
389 mm²
Die Size
294 mm²
Graphics Features
11.2 (11_0)
DirectX
12 Ultimate (12_2)
4.4
OpenGL
4.6
1.2
OpenCL
3.0
N/A
Vulkan
1.3
-
CUDA
8.9
5.0
Shader Model
6.8
