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GPU Comparison
NVIDIA GeForce RTX 3070 vs ATI Radeon HD 3870
NVIDIA GeForce RTX 3070 vs ATI Radeon HD 3870
VS
NVIDIA GeForce RTX 3070
ATI Radeon HD 3870
We compared two Desktop platform GPUs: 8GB VRAM GeForce RTX 3070 and 512MB VRAM Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 3070 's Advantages
Released 12 years and 10 months late
Boost Clock1725MHz
Larger VRAM bandwidth (448.0GB/s vs 72.06GB/s)
5568 additional rendering cores
ATI Radeon HD 3870 's Advantages
Lower TDP (106W vs 220W)
Score
Benchmark
FP32 (float)
GeForce RTX 3070
+3986%
20.31 TFLOPS
Radeon HD 3870
0.497 TFLOPS
GeForce RTX 3070
VS
Radeon HD 3870
Graphics Card
Sep 2020
Release Date
Nov 2007
GeForce 30
Generation
Radeon R600
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
1126 MHz
Memory
8GB
Memory Size
512MB
GDDR6
Memory Type
GDDR4
256bit
Memory Bus
256bit
448.0GB/s
Bandwidth
72.06GB/s
Render Config
46
SM Count
-
-
Compute Units
4
5888
Shading Units
320
184
TMUs
16
96
ROPs
16
184
Tensor Cores
-
46
RT Cores
-
128 KB (per SM)
L1 Cache
-
4 MB
L2 Cache
256 KB
Theoretical Performance
165.6 GPixel/s
Pixel Rate
12.43 GPixel/s
317.4 GTexel/s
Texture Rate
12.43 GTexel/s
20.31 TFLOPS
FP16 (half)
-
20.31 TFLOPS
FP32 (float)
497.3 GFLOPS
317.4 GFLOPS
FP64 (double)
99.46 GFLOPS
Graphics Processor
GA104
GPU Name
RV670
GA104-300-A1
GPU Variant
RV670 XT (215-0708005)
Ampere
Architecture
TeraScale
Samsung
Foundry
TSMC
8 nm
Process Size
55 nm
17.4 billion
Transistors
0.666 billion
392 mm²
Die Size
192 mm²
Board Design
220W
TDP
106W
550 W
Suggested PSU
300 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
2x DVI 1x S-Video
1x 12-pin
Power Connectors
1x 6-pin
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3 (full) 4.0 (partial)
3.0
OpenCL
N/A
1.3
Vulkan
N/A
8.6
CUDA
-
6.6
Shader Model
4.1
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