Home GPU Comparison AMD Radeon R7 265 vs AMD Radeon HD 8870 OEM

AMD Radeon R7 265 vs AMD Radeon HD 8870 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 265 and 2GB VRAM Radeon HD 8870 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 265 's Advantages
Released 1 years and 1 months late
Boost Clock925MHz
Larger VRAM bandwidth (179.2GB/s vs 153.6GB/s)
Lower TDP (150W vs 175W)
AMD Radeon HD 8870 OEM 's Advantages
256 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon R7 265
1.894 TFLOPS
Radeon HD 8870 OEM +35%
2.56 TFLOPS
VS

Graphics Card

Feb 2014
Release Date
Jan 2013
Volcanic Islands
Generation
Sea Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

900 MHz
Base Clock
-
925 MHz
Boost Clock
-
1400 MHz
Memory Clock
1200 MHz

Memory

2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
179.2GB/s
Bandwidth
153.6GB/s

Render Config

-
SM Count
-
16
Compute Units
20
1024
Shading Units
1280
64
TMUs
80
32
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
512 KB

Theoretical Performance

29.60 GPixel/s
Pixel Rate
32.00 GPixel/s
59.20 GTexel/s
Texture Rate
80.00 GTexel/s
-
FP16 (half)
-
1.894 TFLOPS
FP32 (float)
2.560 TFLOPS
118.4 GFLOPS
FP64 (double)
160.0 GFLOPS

Graphics Processor

Pitcairn
GPU Name
Pitcairn
Pitcairn PRO (215-0828062)
GPU Variant
Pitcairn XT (215-0828047)
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.8 billion
Transistors
2.8 billion
212 mm²
Die Size
212 mm²

Board Design

150W
TDP
175W
450 W
Suggested PSU
450 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
1x 6-pin
Power Connectors
2x 6-pin

Graphics Features

12 (11_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.2
OpenCL
1.2
1.2
Vulkan
1.2
-
CUDA
-
5.1
Shader Model
5.1

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