GeForce RTX 3070 vs Radeon HD 3870 Mac Edition
We compared two Desktop platform GPUs: 8GB VRAM GeForce RTX 3070 and 512MB VRAM Radeon HD 3870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 3070 's Advantages
Released 12 years and 3 months late
Boost Clock1725MHz
More VRAM (8GB vs 512GB)
Larger VRAM bandwidth (448.0GB/s vs 72.06GB/s)
5568 additional rendering cores
Radeon HD 3870 Mac Edition 's Advantages
Lower TDP (106W vs 220W)
Score
Benchmark
FP32 (float)
GeForce RTX 3070
+3986%
20310
Radeon HD 3870 Mac Edition
497
Graphics Card
Sep 2020
Release Date
Jun 2008
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
-
Compute Units
4
46
SM Count
-
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
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 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
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
