Home GPU Comparison AMD Radeon R7 260X vs ATI Radeon HD 3870 Mac Edition

AMD Radeon R7 260X vs ATI Radeon HD 3870 Mac Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 260X 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

AMD Radeon R7 260X 's Advantages
Released 5 years and 4 months late
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (104.0GB/s vs 72.06GB/s)
576 additional rendering cores
ATI Radeon HD 3870 Mac Edition 's Advantages
Lower TDP (106W vs 115W)

Score

Benchmark

FP32 (float)
Radeon R7 260X +296%
1.971 TFLOPS
Radeon HD 3870 Mac Edition
0.497 TFLOPS
VS

Graphics Card

Oct 2013
Release Date
Jun 2008
Volcanic Islands
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1625 MHz
Memory Clock
1126 MHz

Memory

2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR4
128bit
Memory Bus
256bit
104.0GB/s
Bandwidth
72.06GB/s

Render Config

14
Compute Units
4
-
-
-
896
Shading Units
320
56
TMUs
16
16
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

17.60 GPixel/s
Pixel Rate
12.43 GPixel/s
61.60 GTexel/s
Texture Rate
12.43 GTexel/s
-
-
-
1.971 TFLOPS
FP32 (float)
497.3 GFLOPS
123.2 GFLOPS
FP64 (double)
99.46 GFLOPS

Board Design

115W
TDP
106W
300 W
Suggested PSU
300 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x S-Video
1x 6-pin
Power Connectors
1x 6-pin

Graphics Processor

Bonaire
GPU Name
RV670
Bonaire XTX (215-0839097)
GPU Variant
RV670 XT (215-0708005)
GCN 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
2.08 billion
Transistors
0.666 billion
160 mm²
Die Size
192 mm²

Graphics Features

12 (12_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3 (full) 4.0 (partial)
2.0
OpenCL
N/A
1.2
Vulkan
N/A
-
-
-
6.3
Shader Model
4.1

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