ATI Radeon HD 5830 vs AMD Radeon HD 7870 XT
GPU Specs Compare
Graphics Card
Release Date
Feb 2010
Nov 2012
Generation
Evergreen
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1000 MHz
1500 MHz
Base Clock
-
925 MHz
Boost Clock
-
975 MHz
Memory
Memory Size
1024MB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
128.0GB/s
192.0GB/s
Render Config
Compute Units
14
24
Shading Units
1120
1536
TMUs
56
96
ROPs
16
32
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
12.80 GPixel/s
31.20 GPixel/s
Texture Rate
44.80 GTexel/s
93.60 GTexel/s
FP32 (float)
1.792 TFLOPS
2.995 TFLOPS
FP64 (double)
358.4 GFLOPS
748.8 GFLOPS
Graphics Processor
GPU Name
Cypress
Tahiti
GPU Variant
Cypress LE(215-0735047)
Tahiti LE(215-0821122)
Architecture
TeraScale 2
GCN 1.0
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
2.154 billion
4.313 billion
Die Size
334 mm²
352 mm²
Board Design
TDP
175W
185W
Suggested PSU
450 W
450 W
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
2x 6-pin
2x 6-pin
Graphics Features
DirectX
11.2 (11_0)
12 (11_1)
OpenGL
4.4
4.6
OpenCL
1.2
1.2
Vulkan
N/A
1.2
Shader Model
5.0
5.1
📊 Benchmark
3DMark Time Spy
301
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