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GPU Comparison
AMD Radeon HD 7870 XT vs AMD Radeon HD 6750
AMD Radeon HD 7870 XT vs AMD Radeon HD 6750
VS
AMD Radeon HD 7870 XT
AMD Radeon HD 6750
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT and 1024MB VRAM Radeon HD 6750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7870 XT 's Advantages
Released 1 years and 10 months late
Boost Clock975MHz
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (192.0GB/s vs 73.60GB/s)
816 additional rendering cores
AMD Radeon HD 6750 's Advantages
Lower TDP (86W vs 185W)
Score
Benchmark
FP32 (float)
Radeon HD 7870 XT
+197%
2.995 TFLOPS
Radeon HD 6750
1.008 TFLOPS
Radeon HD 7870 XT
VS
Radeon HD 6750
Graphics Card
Nov 2012
Release Date
Jan 2011
Southern Islands
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
925 MHz
Base Clock
-
975 MHz
Boost Clock
-
1500 MHz
Memory Clock
1150 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
192.0GB/s
Bandwidth
73.60GB/s
Render Config
-
SM Count
-
24
Compute Units
9
1536
Shading Units
720
96
TMUs
36
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
31.20 GPixel/s
Pixel Rate
11.20 GPixel/s
93.60 GTexel/s
Texture Rate
25.20 GTexel/s
-
FP16 (half)
-
2.995 TFLOPS
FP32 (float)
1008 GFLOPS
748.8 GFLOPS
FP64 (double)
-
Graphics Processor
Tahiti
GPU Name
Juniper
Tahiti LE (215-0821122)
GPU Variant
Juniper LE (215-0754009)
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
4.313 billion
Transistors
1.04 billion
352 mm²
Die Size
166 mm²
Board Design
185W
TDP
86W
450 W
Suggested PSU
250 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
2x 6-pin
Power Connectors
1x 6-pin
Graphics Features
12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.2
OpenCL
1.2
1.2
Vulkan
N/A
-
CUDA
-
5.1
Shader Model
5.0
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