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GPU Comparison
NVIDIA GeForce RTX 4070 vs AMD Radeon HD 6870 X2
NVIDIA GeForce RTX 4070 vs AMD Radeon HD 6870 X2
VS
NVIDIA GeForce RTX 4070
AMD Radeon HD 6870 X2
We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 4070 and 1024MB VRAM Radeon HD 6870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 4070 's Advantages
Released 11 years and 9 months late
Boost Clock2475MHz
More VRAM (12GB vs 1GB)
Larger VRAM bandwidth (504.2GB/s vs 134.4GB/s)
4768 additional rendering cores
Lower TDP (200W vs 300W)
Score
Benchmark
FP32 (float)
GeForce RTX 4070
+1345%
29.15 TFLOPS
Radeon HD 6870 X2
2.016 TFLOPS
GeForce RTX 4070
VS
Radeon HD 6870 X2
Graphics Card
Apr 2023
Release Date
Jul 2011
GeForce 40
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1920 MHz
Base Clock
-
2475 MHz
Boost Clock
-
1313 MHz
Memory Clock
1050 MHz
Memory
12GB
Memory Size
1024MB
GDDR6X
Memory Type
GDDR5
192bit
Memory Bus
256bit
504.2GB/s
Bandwidth
134.4GB/s
Render Config
46
SM Count
-
-
Compute Units
14
5888
Shading Units
1120
184
TMUs
56
64
ROPs
32
184
Tensor Cores
-
46
RT Cores
-
128 KB (per SM)
L1 Cache
8 KB (per CU)
36 MB
L2 Cache
512 KB
Theoretical Performance
158.4 GPixel/s
Pixel Rate
28.80 GPixel/s
455.4 GTexel/s
Texture Rate
50.40 GTexel/s
29.15 TFLOPS
FP16 (half)
-
29.15 TFLOPS
FP32 (float)
2.016 TFLOPS
455.4 GFLOPS
FP64 (double)
-
Graphics Processor
AD104
GPU Name
Barts
AD104-250-A1
GPU Variant
Barts XT (215-0798000)
Ada Lovelace
Architecture
TeraScale 2
TSMC
Foundry
TSMC
5 nm
Process Size
40 nm
35.8 billion
Transistors
1.7 billion
295 mm²
Die Size
255 mm²
Board Design
200W
TDP
300W
550 W
Suggested PSU
700 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
1x 16-pin
Power Connectors
-
Graphics Features
12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.3
Vulkan
N/A
8.9
CUDA
-
6.7
Shader Model
5.0
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