GeForce RTX 3070 vs Radeon HD 6870 X2
We compared two Desktop platform GPUs: 8GB VRAM GeForce RTX 3070 and 1024MB VRAM Radeon HD 6870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 3070 's Advantages
Released 9 years and 2 months late
Boost Clock1725MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (448.0GB/s vs 134.4GB/s)
4768 additional rendering cores
Lower TDP (220W vs 300W)
Score
Benchmark
FP32 (float)
GeForce RTX 3070
+907%
20310
Radeon HD 6870 X2
2016
Graphics Card
Sep 2020
Release Date
Jul 2011
GeForce 30
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1500 MHz
Base Clock
-
1725 MHz
Boost Clock
-
1750 MHz
Memory Clock
1050 MHz
Memory
8GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
256bit
448.0GB/s
Bandwidth
134.4GB/s
Render Config
-
Compute Units
14
46
SM Count
-
5888
Shading Units
1120
184
TMUs
56
96
ROPs
32
184
Tensor Cores
-
46
RT Cores
-
128 KB (per SM)
L1 Cache
8 KB (per CU)
4 MB
L2 Cache
512 KB
Theoretical Performance
165.6 GPixel/s
Pixel Rate
28.80 GPixel/s
317.4 GTexel/s
Texture Rate
50.40 GTexel/s
20.31 TFLOPS
FP16 (half)
-
20.31 TFLOPS
FP32 (float)
2.016 TFLOPS
317.4 GFLOPS
FP64 (double)
-
Board Design
220W
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 12-pin
Power Connectors
-
Graphics Processor
GA104
GPU Name
Barts
GA104-300-A1
GPU Variant
Barts XT
(215-0798000)
Ampere
Architecture
TeraScale 2
Samsung
Foundry
TSMC
8 nm
Process Size
40 nm
17.4 billion
Transistors
1.7 billion
392 mm²
Die Size
255 mm²
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
8.6
CUDA
-
6.6
Shader Model
5.0