AMD Radeon HD 8790M vs AMD Radeon R5 340X OEM

What is the difference between AMD Radeon HD 8790M and AMD Radeon R5 340X OEM. Find out which graphics card has better performance.

Graphics Processor (GPU)

MarsGPU NameOland
Mars XTXModel numberOland XT
(215-0837000)
GCN 1.0ArchitectureGCN 1.0
TSMCFoundryTSMC
28 nmProcess Size28 nm
950 millionTransistors950 million
77 mm²Die Size77 mm²

Graphics Card

Apr 1st, 2013Release DateMay 5th, 2015
Solar System
(HD 8700M)
FamilyPirate Islands
(R5 300)
End-of-lifeProductionActive
LondonPredecessorVolcanic Islands
MXM-A (3.0)Bus InterfacePCIe 3.0 x8

Memory

2 GBMemory Size2 GB
GDDR5Memory TypeDDR3
128 bitMemory Bus64 bit
64.00 GB/sBandwidth16.00 GB/s

Performance

7.200 GPixel/sPixel fillrate7.200 GPixel/s
21.60 GTexel/sTexture fillrate21.60 GTexel/s
691.2 GFLOPSFP32 (float) performance691.2 GFLOPS
43.20 GFLOPS (1:16)FP64 (double) performance43.20 GFLOPS (1:16)

Clock Speeds

1000 MHz
4 Gbps effective
Memory Clock1000 MHz
2 Gbps effective

Render Config

384Shading Units384
24TMUs24
8ROPs8
6Compute Units6
16 KB (per CU)L1 Cache16 KB (per CU)
256 KBL2 Cache128 KB

Board Design

MXM ModuleSlot WidthSingle-slot
unknownThermal design power (TDP)65 W
No outputsDisplay Connectors1x DVI
1x DisplayPort
NonePower ConnectorsNone
C615Board NumberC870-51

API support

12 (11_1)DirectX12 (11_1)
4.6OpenGL4.6
1.2OpenCL1.2
1.2Vulkan1.2
5.1Shader Model5.1