AMD Radeon HD 7870M: GPU Specs & Benchmarks

The Radeon HD 7870M is a graphics card by AMD, built on the 28 nm process and based on the Heathrow graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

Recommended Gaming Resolutions 640x480 1280x720 1366x768 1600x900 1920x1080 2560x1440 3840x2160

Benchmarks

PassMark G3D
1507
PassMark G2D
556

Graphics Processor (GPU)

GPU Name
Heathrow
Model number
Heathrow XT
(216-0835033)
Architecture
GCN 1.0
Foundry
TSMC
Process Size
28 nm
Transistors
1,500 million
Die Size
123 mm²

Graphics Card

Release Date
Apr 24th, 2012
Family
London
(HD 7800M)
Production
End-of-life
Predecessor
Vancouver
Bus Interface
PCIe 3.0 x16

Memory

Memory Size
2 GB
Memory Type
GDDR5
Memory Bus
128 bit
Bandwidth
64.00 GB/s

Performance

Pixel fillrate
12.80 GPixel/s
Texture fillrate
32.00 GTexel/s
FP32 (float) performance
1,024 GFLOPS
FP64 (double) performance
64.00 GFLOPS (1:16)

Clock Speeds

Memory Clock
1000 MHz
4 Gbps effective
GPU Clock
800 MHz

Render Config

Shading Units
640
TMUs
40
ROPs
16
Compute Units
10
L1 Cache
16 KB (per CU)
L2 Cache
256 KB

Board Design

Thermal design power (TDP)
45 W
Display Connectors
No outputs

API support

DirectX
12 (11_1)
OpenGL
4.6
OpenCL
1.2
Vulkan
1.2
Shader Model
5.1
Radeon HD 7870M
AMD Radeon HD 7870M: GPU Specs & Benchmarks