Home GPU Comparison Intel Arc B580 vs ATI Radeon HD 3870 Mac Edition

Intel Arc B580 vs ATI Radeon HD 3870 Mac Edition

We compared two Desktop platform GPUs: 12GB VRAM Arc B580 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

Intel Arc B580 's Advantages
Released 16 years and 6 months late
Boost Clock2670MHz
More VRAM (12GB vs 512GB)
Larger VRAM bandwidth (456.0GB/s vs 72.06GB/s)
2240 additional rendering cores
ATI Radeon HD 3870 Mac Edition 's Advantages
Lower TDP (106W vs 190W)

Score

Benchmark

FP32 (float)
Arc B580 +2650%
13.67 TFLOPS
Radeon HD 3870 Mac Edition
0.497 TFLOPS
VS

Graphics Card

Dec 2024
Release Date
Jun 2008
Battlemage(Arc 5)
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 2.0 x16

Clock Speeds

2670 MHz
Base Clock
-
2670 MHz
Boost Clock
-
2375 MHz
Memory Clock
1126 MHz

Memory

12GB
Memory Size
512MB
GDDR6
Memory Type
GDDR4
192bit
Memory Bus
256bit
456.0GB/s
Bandwidth
72.06GB/s

Render Config

-
Compute Units
4
-
-
-
2560
Shading Units
320
160
TMUs
16
80
ROPs
16
160
Tensor Cores
-
20
RT Cores
-
256 KB (per EU)
L1 Cache
-
18 MB
L2 Cache
256 KB
-
-
-

Theoretical Performance

213.6 GPixel/s
Pixel Rate
12.43 GPixel/s
427.2 GTexel/s
Texture Rate
12.43 GTexel/s
27.34 TFLOPS
FP16 (half)
-
13.67 TFLOPS
FP32 (float)
497.3 GFLOPS
1.709 TFLOPS
FP64 (double)
99.46 GFLOPS

Board Design

190W
TDP
106W
450 W
Suggested PSU
300 W
1x HDMI 2.1a3x DisplayPort 2.1
Outputs
2x DVI 1x S-Video
1x 8-pin
Power Connectors
1x 6-pin

Graphics Processor

BMG-G21
GPU Name
RV670
SRPMF
GPU Variant
RV670 XT (215-0708005)
Xe2
Architecture
TeraScale
TSMC
Foundry
TSMC
5 nm
Process Size
55 nm
19.6 billion
Transistors
0.666 billion
272 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
1.4
Vulkan
N/A
-
-
-
6.6
Shader Model
4.1

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