AMD Radeon RX 460 vs AMD Radeon HD 7870 XT
We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 460 and 2GB VRAM Radeon HD 7870 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 460 's Advantages
Released 3 years and 9 months late
Boost Clock has increased by 23% (1200MHz vs 975MHz)
Lower TDP (75W vs 185W)
AMD Radeon HD 7870 XT 's Advantages
Larger VRAM bandwidth (192.0GB/s vs 112.0GB/s)
640 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 460
2.15 TFLOPS
Radeon HD 7870 XT
+39%
2.995 TFLOPS
3DMark Time Spy
Radeon RX 460
1754
Radeon HD 7870 XT
+1%
1773
3DMark Time Spy Extreme
Radeon RX 460
+120%
776
Radeon HD 7870 XT
352
Graphics Card
Aug 2016
Release Date
Nov 2012
Arctic Islands
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
1090 MHz
Base Clock
925 MHz
1200 MHz
Boost Clock
975 MHz
1750 MHz
Memory Clock
1500 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
112.0GB/s
Bandwidth
192.0GB/s
Render Config
14
Compute Units
24
-
-
-
896
Shading Units
1536
56
TMUs
96
16
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
19.20 GPixel/s
Pixel Rate
31.20 GPixel/s
67.20 GTexel/s
Texture Rate
93.60 GTexel/s
2.150 TFLOPS
FP16 (half)
-
2.150 TFLOPS
FP32 (float)
2.995 TFLOPS
134.4 GFLOPS
FP64 (double)
748.8 GFLOPS
Board Design
75W
TDP
185W
250 W
Suggested PSU
450 W
1x DVI
1x HDMI 2.0b
1x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
None
Power Connectors
2x 6-pin
Graphics Processor
Baffin
GPU Name
Tahiti
Baffin PRO
GPU Variant
Tahiti LE
(215-0821122)
GCN 4.0
Architecture
GCN 1.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
3 billion
Transistors
4.313 billion
123 mm²
Die Size
352 mm²
Graphics Features
12 (12_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.1
OpenCL
1.2
1.2
Vulkan
1.2
-
-
-
6.4
Shader Model
5.1
