NVIDIA GeForce RTX 4070 GDDR6 vs AMD Radeon HD 6870 1600SP Edition
We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 4070 GDDR6 and 1024MB VRAM Radeon HD 6870 1600SP Edition 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 11 years and 7 months late
Boost Clock2475MHz
More VRAM (12GB vs 1024GB)
Larger VRAM bandwidth (480.0GB/s vs 134.4GB/s)
4288 additional rendering cores
AMD Radeon HD 6870 1600SP Edition 's Advantages
Lower TDP (175W vs 200W)
Score
Benchmark
FP32 (float)
GeForce RTX 4070 GDDR6
+971%
29.15 TFLOPS
Radeon HD 6870 1600SP Edition
2.72 TFLOPS
Graphics Card
Aug 2024
Release Date
Jan 2013
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
-
2500 MHz
Memory Clock
1050 MHz
Memory
12GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
192bit
Memory Bus
256bit
480.0GB/s
Bandwidth
134.4GB/s
Render Config
-
Compute Units
20
46
SM Count
-
5888
Shading Units
1600
184
TMUs
80
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
27.20 GPixel/s
455.4 GTexel/s
Texture Rate
68.00 GTexel/s
29.15 TFLOPS
FP16 (half)
-
29.15 TFLOPS
FP32 (float)
2.720 TFLOPS
455.4 GFLOPS
FP64 (double)
544.0 GFLOPS
Board Design
200W
TDP
175W
550 W
Suggested PSU
450 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
2x 6-pin
Graphics Processor
AD104
GPU Name
Cypress
AD104-2XX-A1
GPU Variant
Cypress XT
(215-0735033)
Ada Lovelace
Architecture
TeraScale 2
TSMC
Foundry
TSMC
5 nm
Process Size
40 nm
35.8 billion
Transistors
2.154 billion
294 mm²
Die Size
334 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
8.9
CUDA
-
6.8
Shader Model
5.0
